Deployment Guide

Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.8.1.0 Introduced on the S-Series.
7.7.1.0 Introduced on the C-Series.
Usage
Information
In Non-Deterministic mode, paths are compared in the order in which they arrive. This method can lead
the system to choose different best paths from a set of paths, depending on the order in which they
are received from the neighbors because MED may or may not get compared between adjacent paths.
In Deterministic mode (no bgp non-deterministic-med), the system compares MED between
adjacent paths within an AS group because all paths in the AS group are from the same AS.
When you change the path selection from Deterministic to Non-Deterministic, the path selection for
the existing paths remains Deterministic until you enter the clear ip bgp command to clear existing
paths.
bgp outbound-optimization
Enables outbound optimization for IBGP peer-group members.
Syntax
bgp outbound-optimization
To disable outbound optimization, enter the no bgp outbound-optimization command.
Defaults Enabled.
Command Modes ROUTER BGP
Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.4.(0.0) Introduced on the S4810.
9.2(1.0) Introduced on the Z9500.
Usage
Information
The updates are sent to all the neighbors in the peer-group and all the neighbors have the same attributes
including next-hop.
Enabling or disabling outbound optimization dynamically resets all neighbor sessions.
When you enable outbound optimization, all peers receive the same update packets. Also, the next-hop
address, which is chosen as one of the addresses of the neighbor's reachable interface, is the same for all
peers.
340 Border Gateway Protocol